GSC Sentinel-2 PDGS STBD - emits - ESA

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GSC Sentinel-2 PDGS STBDIssue 1 Revision 2 (draft) - 25.07.2010GMES-GSEG-EOPG-TN-09-0031page 3 of 601.4 AcronymsAOCS Attitude and Orbit Control SystemCGS Core Ground StationCMC Coordination and Management CentreCPU Central Processing UnitDAP Data Access PortfolioDEM Digital Elevation ModelDFEP Demodulator & Front-End ProcessorDPC Data Processing ControlFIFO First In First OutGIPP Ground Image Processing ParametersGPP Ground Prototype ProcessorGSP Group of Source PacketsHK HousekeepingIDP Instrument Data ProcessingIPF Instrument Processing FacilityLTA Long-Term ArchiveLR Low ResolutionMbps Mega-bit per second (cf. definition in 0)Mib/s Mebibit per second (cf. definition in 0)MPAC Mission Performance Assessment CentreNRT Near Real TimePAC Processing/Archiving CentrePDGS Payload Data Ground SegmentPQL Preliminary Quick-LookTBC To Be ConfirmedTM TelemetryTQ Technical QualityUTM Universal Transverse MercatorESA UNCLASSIFIED – For Official Use© ESAThe copyright of this document is the property of ESA. It is supplied in confidence and shall not be reproduced, copied orcommunicated to any third party without written permission from ESA.
GSC Sentinel-2 PDGS STBDIssue 1 Revision 2 (draft) - 25.07.2010GMES-GSEG-EOPG-TN-09-0031page 4 of 601.5 DefinitionsThe following conventions are used in the document: Data-Rate unitso Megabit per second (Mbps)1 Mbps = 10 6 bits per second = 1.25 10 5 bytes per secondo Mebibit per second (Mib/s)1 Mib/s = 2 20 bits per second = 2 17 bytes per second Data-Volume unitso Megabyte (MByte or MB)1 MByte = 2 20 Bytes = 2 23 bitso Gigabit (Gbit or Gb)1 Gbit = 2 30 bitso Gigabyte (GByte or GB)1 GByte = 2 30 Bytes = 2 33 bitso Terabyte (TByte or TB)1 TByte = 2 40 Bytes = 2 43 bits1.6 Document OverviewThe present document is divided into the following chapters:Chapter 1 provides document scope and background information including the list ofreference documentation and definition of acronyms and terms used.Chapter 2 recalls the major driving requirements applicable to the system budget analysis.Chapter 3 provides the processing budget analysis.Chapter 4 provides the data volume analysis including circulation, archiving anddissemination budgets.Chapter 5 provides high-level principles for the PDGS hardware architecture design.Chapter 6 provides concluding remarks on the system budget study.ESA UNCLASSIFIED – For Official Use© ESAThe copyright of this document is the property of ESA. It is supplied in confidence and shall not be reproduced, copied orcommunicated to any third party without written permission from ESA.
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